142110540 has 144 divisors (see below), whose sum is σ = 506522016. Its totient is φ = 31795200.

The previous prime is 142110533. The next prime is 142110569. The reversal of 142110540 is 45011241.

142110540 is a `hidden beast` number, since 14 + 2 + 110 + 540 = 666.

142110540 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 22980 + ... + 28500.

It is an arithmetic number, because the mean of its divisors is an integer number (3517514).

Almost surely, 2^142110540 is an apocalyptic number.

142110540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 142110540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (253261008).

142110540 is an abundant number, since it is smaller than the sum of its proper divisors (364411476).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

142110540 is a wasteful number, since it uses less digits than its factorization.

142110540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5560 (or 5555 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 18.

The square root of 142110540 is about 11921.0125408876. The cubic root of 142110540 is about 521.8456847769.

Adding to 142110540 its reverse (45011241), we get a palindrome (187121781).

The spelling of 142110540 in words is "one hundred forty-two million, one hundred ten thousand, five hundred forty".